#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>

/*int main(int argc,char *argv[])
{
	char string[10],str1[10];
	int i;
	for(i = 0; i< 10; i++)
	{
		str1[i] = 'a';
		strcpy(string, str1);
		printf("%s", string);

	}
}*/



/*int main()
{
	unsigned int a =  10;
	int b = -20;

	printf("%d\n", a + b);

	return 0;
}*/




/*int check()
{
	int a = 0x11223344;
	char * ret = (char*)&a;
	return *(ret);
}
*/


/* 大小端 */
/* int main()
{
	int ret;
	ret = check(); 
	if(ret == 4)
	{
		printf("小端存储\n");
	}else
	{

		printf("大端存储\n");
	}

	return 0;
}
*/








/*
//求abc的值
int main()
{
	char a = -1;
	//char
	//原码 10000001
	//反码 11111110
	//补码 11111111
	//提升 11111111111111111111111111111111
	signed char b = -1;
	unsigned char c = -1;
	// 000000000 00000000 00000000 00000001
	// 
	printf("a = %d, b = %d, c = %c\n", a, b, c);
	return 0;

}
*/



/*
//大小端
int pt()
{
	int a = 0x11223344;
	char* c = &a;
	if(*c == 1)
	{
		return 1;
	}else
	{
		return 0;
	}
}

int main()
{

	int ret = -1;
	ret = pt();
	if(ret = 1)
	{
		printf("小端\n");
	}else
	{
		printf("大端\n");
	}
	return 0;
}

*/


/*int main()
{
	pid_t pid;

	if((pid = fork()) < 0)
	{
		perror("fork");
		exit(1);
	}
	//成功的时候
	if(pid == 0)
	{
		printf("%d\n", getpid());
	}else
	{
		printf("%d\n", getppid());
	}

	while(1)
	{
		sleep(5);
	}

	return 0;
}
*/


/*
   //test
int main()
{
	int a,b,c;
	int num1 = 1;
	int num2 = 2;
	a = num1 & num2;	//按位与
	// 0001 & 0010 = 0000 = 0 
	b = num1 | num2;	//按位或
	// 0001 | 0010 = 0011 = 3
	c = num1 ^ num2;	//按位异或
	// 0001 ^ 0010  = 0011 = 3
	printf("%d, %d, %d \n", a, b,c);
	return 0;
}

*/


int main()
{
	printf("hhhhhh");
	return 0;
}























